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In a study done by a graduate student, the Ave amount of time a college student spends studying a day is 12.5% with an SD 2%. What is the confidence interval if the confidence level is 92%
  • confidence interval is between 9.2 and 15.8
  • confidence interval is between 9 and 16
  • confidence interval is between 9.1 and 15.9
  • confidence interval is between 8.9 and 16.1
  • confidence interval is between 8.8 and 16.2
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    Carlos Rodriguez <carlos@math.albany.edu>
    This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
    Last modified: Wed May 13 12:29:11 EDT 1998